Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Rb5 win in 3 half-moves
3 Kc3 win in 7 half-moves
4 Ke5 win in 9 half-moves
5 Kcd5 draw
6 Kd3 draw
7 Kdc4 draw
8 Kdd5 draw
9 Ra4 draw
10 Ra7 draw
11 Kb4 loss in 2 half-moves
12 Kb6 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kcc4 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Ra8 loss in 2 half-moves